{"id":965483,"date":"2024-12-27T04:38:26","date_gmt":"2024-12-26T20:38:26","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/965483.html"},"modified":"2024-12-27T04:38:28","modified_gmt":"2024-12-26T20:38:28","slug":"python%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8pac%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/965483.html","title":{"rendered":"python\u5982\u4f55\u4f7f\u7528pac\u6587\u4ef6"},"content":{"rendered":"

\"python\u5982\u4f55\u4f7f\u7528pac\u6587\u4ef6\"<\/p>\n

Python\u4f7f\u7528PAC\u6587\u4ef6\u53ef\u4ee5\u901a\u8fc7requests\u5e93\u3001PyPAC\u5e93\u3001urllib\u5e93\u7b49\u65b9\u5f0f\uff0c\u914d\u7f6e\u4ee3\u7406\u3001\u89e3\u6790PAC\u6587\u4ef6\u3001\u8fdb\u884c\u8bf7\u6c42\u53d1\u9001\u3002<\/strong>\u5176\u4e2d\uff0c\u4f7f\u7528PyPAC\u5e93\u662f\u4e00\u79cd\u7b80\u5355\u6709\u6548\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u4e13\u95e8\u7528\u4e8e\u5904\u7406PAC\u6587\u4ef6\uff0c\u5e76\u80fd\u5f88\u597d\u5730\u96c6\u6210\u5230Python\u7684\u7f51\u7edc\u8bf7\u6c42\u6d41\u7a0b\u4e2d\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u5c55\u5f00PyPAC\u5e93\u7684\u4f7f\u7528\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u914d\u7f6e\u73af\u5883<\/p>\n<\/p>\n

\u5728\u4f7f\u7528PAC\u6587\u4ef6\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u786e\u4fddPython\u73af\u5883\u4e2d\u5b89\u88c5\u4e86\u5fc5\u8981\u7684\u5e93\u3002\u6211\u4eec\u9700\u8981\u5b89\u88c5requests\u5e93\u548cPyPAC\u5e93\u3002requests\u5e93\u7528\u4e8e\u53d1\u9001HTTP\u8bf7\u6c42\uff0c\u800cPyPAC\u5e93\u7528\u4e8e\u52a0\u8f7d\u548c\u89e3\u6790PAC\u6587\u4ef6\u3002<\/p>\n<\/p>\n

pip install requests<\/p>\n
pip install pypac<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u52a0\u8f7dPAC\u6587\u4ef6<\/p>\n<\/p>\n
PAC\u6587\u4ef6\u662f\u4e00\u79cdJavaScript\u6587\u4ef6\uff0c\u7528\u4e8e\u5b9a\u4e49\u4ee3\u7406\u670d\u52a1\u5668\u7684\u9009\u62e9\u89c4\u5219\u3002PyPAC\u5e93\u63d0\u4f9b\u4e86\u52a0\u8f7d\u548c\u89e3\u6790PAC\u6587\u4ef6\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u4ece\u8fdc\u7a0bURL\u6216\u672c\u5730\u6587\u4ef6\u52a0\u8f7dPAC\u6587\u4ef6\u3002\u4f7f\u7528PyPAC\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7PACSession<\/code>\u7c7b\u6765\u52a0\u8f7dPAC\u6587\u4ef6\u5e76\u81ea\u52a8\u5904\u7406\u4ee3\u7406\u8bbe\u7f6e\u3002<\/p>\n<\/p>\n
from pypac import PACSession<\/p>\n
\u901a\u8fc7URL\u52a0\u8f7dPAC\u6587\u4ef6<\/strong><\/h2>\n
pac_url = 'http:\/\/example.com\/proxy.pac'<\/p>\n
session = PACSession(pac_url=pac_url)<\/p>\n
\u901a\u8fc7\u672c\u5730\u6587\u4ef6\u52a0\u8f7dPAC\u6587\u4ef6<\/strong><\/h2>\n
with open('path\/to\/proxy.pac', 'r') as file:<\/strong><\/h2>\n
    pac_content = file.read()<\/strong><\/h2>\n
session = PACSession(pac_content=pac_content)<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u53d1\u9001HTTP\u8bf7\u6c42<\/p>\n<\/p>\n
\u901a\u8fc7PyPAC\u5e93\u52a0\u8f7dPAC\u6587\u4ef6\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528requests\u5e93\u6765\u53d1\u9001HTTP\u8bf7\u6c42\u3002PyPAC\u4f1a\u6839\u636ePAC\u6587\u4ef6\u4e2d\u7684\u89c4\u5219\u81ea\u52a8\u9009\u62e9\u5408\u9002\u7684\u4ee3\u7406\u670d\u52a1\u5668\u3002<\/p>\n<\/p>\n
response = session.get('http:\/\/example.com')<\/p>\n
print(response.text)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u89e3\u6790PAC\u6587\u4ef6<\/p>\n<\/p>\n
\u89e3\u6790PAC\u6587\u4ef6\u65f6\uff0cPyPAC\u5e93\u4f1a\u8c03\u7528PAC\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684FindProxyForURL<\/code>\u51fd\u6570\u3002\u8fd9\u4e2a\u51fd\u6570\u63a5\u6536\u4e24\u4e2a\u53c2\u6570\uff1aURL\u548c\u4e3b\u673a\u540d\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u8868\u793a\u4ee3\u7406\u670d\u52a1\u5668\u7684\u9009\u62e9\u89c4\u5219\u3002PyPAC\u4f1a\u5c06\u8fd9\u4e2a\u5b57\u7b26\u4e32\u89e3\u6790\u4e3a\u4ee3\u7406\u8bbe\u7f6e\uff0c\u5e76\u81ea\u52a8\u5e94\u7528\u5230HTTP\u8bf7\u6c42\u4e2d\u3002<\/p>\n<\/p>\n
from pypac.parser import PACFile<\/p>\n
\u89e3\u6790PAC\u6587\u4ef6<\/strong><\/h2>\n
pac = PACFile(pac_content)<\/p>\n
\u67e5\u627e\u4ee3\u7406<\/strong><\/h2>\n
proxy = pac.find_proxy_for_url('http:\/\/example.com', 'example.com')<\/p>\n
print(proxy)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u624b\u52a8\u8bbe\u7f6e\u4ee3\u7406<\/p>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u624b\u52a8\u8bbe\u7f6e\u4ee3\u7406\u800c\u4e0d\u662f\u4f7f\u7528PAC\u6587\u4ef6\u3002\u53ef\u4ee5\u901a\u8fc7requests\u5e93\u7684proxies<\/code>\u53c2\u6570\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
proxies = {<\/p>\n
    'http': 'http:\/\/proxy.example.com:8080',<\/p>\n
    'https': 'https:\/\/proxy.example.com:8080',<\/p>\n
}<\/p>\n
response = requests.get('http:\/\/example.com', proxies=proxies)<\/p>\n
print(response.text)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001PAC\u6587\u4ef6\u7684\u4f18\u52bf\u4e0e\u5c40\u9650<\/p>\n<\/p>\n
\u4f7f\u7528PAC\u6587\u4ef6\u7684\u4e3b\u8981\u4f18\u52bf\u5728\u4e8e\u5b83\u80fd\u52a8\u6001\u5730\u9009\u62e9\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u8fd9\u5bf9\u4e8e\u9700\u8981\u6839\u636e\u4e0d\u540c\u6761\u4ef6\u9009\u62e9\u4e0d\u540c\u4ee3\u7406\u7684\u5e94\u7528\u573a\u666f\u975e\u5e38\u6709\u7528\u3002\u7136\u800c\uff0cPAC\u6587\u4ef6\u662f\u57fa\u4e8eJavaScript\u7684\uff0c\u8fd9\u610f\u5473\u7740\u89e3\u6790\u548c\u6267\u884c\u53ef\u80fd\u4f1a\u5e26\u6765\u4e00\u5b9a\u7684\u6027\u80fd\u5f00\u9500\u3002\u6b64\u5916\uff0c\u590d\u6742\u7684PAC\u6587\u4ef6\u53ef\u80fd\u96be\u4ee5\u8c03\u8bd5\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/p>\n<\/p>\n
    \n
  1. PAC\u6587\u4ef6\u89e3\u6790\u9519\u8bef<\/strong>\uff1a\u786e\u4fddPAC\u6587\u4ef6\u7684\u8bed\u6cd5\u6b63\u786e\uff0c\u5e76\u4e14\u53ef\u4ee5\u88abJavaScript\u5f15\u64ce\u89e3\u6790\u3002<\/li>\n
  2. \u4ee3\u7406\u8bbe\u7f6e\u65e0\u6548<\/strong>\uff1a\u68c0\u67e5PAC\u6587\u4ef6\u7684\u8fd4\u56de\u503c\u662f\u5426\u6b63\u786e\uff0c\u4ee5\u53ca\u4ee3\u7406\u670d\u52a1\u5668\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\u3002<\/li>\n
  3. \u8bf7\u6c42\u5ef6\u8fdf\u9ad8<\/strong>\uff1a\u53ef\u80fd\u7531\u4e8e\u4ee3\u7406\u670d\u52a1\u5668\u54cd\u5e94\u6162\u6216\u7f51\u7edc\u5ef6\u8fdf\u9020\u6210\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u66f4\u6362\u4ee3\u7406\u670d\u52a1\u5668\u3002<\/li>\n<\/ol>\n
    \u516b\u3001\u603b\u7ed3<\/p>\n<\/p>\n
    \u4f7f\u7528Python\u5904\u7406PAC\u6587\u4ef6\u53ef\u4ee5\u5b9e\u73b0\u52a8\u6001\u4ee3\u7406\u8bbe\u7f6e\uff0c\u8fd9\u662f\u7f51\u7edc\u7f16\u7a0b\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6280\u5de7\u3002\u901a\u8fc7PyPAC\u5e93\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u52a0\u8f7d\u548c\u89e3\u6790PAC\u6587\u4ef6\uff0c\u5e76\u5c06\u5176\u96c6\u6210\u5230HTTP\u8bf7\u6c42\u4e2d\u3002\u4e86\u89e3PAC\u6587\u4ef6\u7684\u5de5\u4f5c\u539f\u7406\u548c\u5e38\u89c1\u95ee\u9898\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u597d\u5730\u5229\u7528\u8fd9\u79cd\u6280\u672f\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     1. \u4ec0\u4e48\u662fPAC\u6587\u4ef6\uff0cPython\u5982\u4f55\u89e3\u6790\u5b83\u4eec\uff1f<\/strong>
    PAC\u6587\u4ef6\uff08Proxy Auto-Configuration\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u81ea\u52a8\u914d\u7f6e\u7f51\u7edc\u4ee3\u7406\u7684\u811a\u672c\u6587\u4ef6\u3002Python\u53ef\u4ee5\u4f7f\u7528pacparser<\/code>\u5e93\u6765\u89e3\u6790PAC\u6587\u4ef6\u3002\u8be5\u5e93\u63d0\u4f9b\u4e86\u7b80\u5355\u7684\u63a5\u53e3\uff0c\u4f7f\u5f97\u4ecePAC\u6587\u4ef6\u4e2d\u63d0\u53d6\u4ee3\u7406\u4fe1\u606f\u6210\u4e3a\u53ef\u80fd\u3002\u7528\u6237\u9700\u8981\u5148\u5b89\u88c5\u8be5\u5e93\uff0c\u7136\u540e\u53ef\u4ee5\u901a\u8fc7\u52a0\u8f7dPAC\u6587\u4ef6\u5e76\u8c03\u7528\u76f8\u5e94\u7684\u65b9\u6cd5\u6765\u83b7\u53d6\u6240\u9700\u7684\u4ee3\u7406\u8bbe\u7f6e\u3002<\/p>\n
    2. \u4f7f\u7528Python\u8bfb\u53d6PAC\u6587\u4ef6\u65f6\uff0c\u6709\u54ea\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\u548c\u89e3\u51b3\u65b9\u6cd5\uff1f<\/strong>
    \u5728\u8bfb\u53d6PAC\u6587\u4ef6\u65f6\uff0c\u5e38\u89c1\u9519\u8bef\u5305\u62ec\u6587\u4ef6\u8def\u5f84\u9519\u8bef\u3001\u683c\u5f0f\u4e0d\u6b63\u786e\u6216\u7f51\u7edc\u8bbf\u95ee\u95ee\u9898\u3002\u786e\u4fdd\u6587\u4ef6\u8def\u5f84\u6b63\u786e\u4e14\u6587\u4ef6\u53ef\u4ee5\u88abPython\u8bbf\u95ee\u662f\u57fa\u7840\u3002\u6b64\u5916\uff0cPAC\u6587\u4ef6\u7684\u8bed\u6cd5\u5fc5\u987b\u6b63\u786e\uff0c\u5982\u679c\u6709\u8bed\u6cd5\u9519\u8bef\uff0c\u89e3\u6790\u5c06\u5931\u8d25\u3002\u53ef\u4ee5\u901a\u8fc7\u5728\u7ebf\u5de5\u5177\u6216\u7f16\u8f91\u5668\u68c0\u67e5PAC\u6587\u4ef6\u7684\u683c\u5f0f\u3002\u5bf9\u4e8e\u7f51\u7edc\u8bbf\u95ee\u95ee\u9898\uff0c\u786e\u4fdd\u7f51\u7edc\u8fde\u63a5\u6b63\u5e38\uff0c\u5e76\u4e14\u76ee\u6807\u5730\u5740\u53ef\u4ee5\u901a\u8fc7\u4ee3\u7406\u8bbf\u95ee\u3002<\/p>\n
    3. Python\u5982\u4f55\u4f7f\u7528PAC\u6587\u4ef6\u8fdb\u884cHTTP\u8bf7\u6c42\uff1f<\/strong>
    \u8981\u4f7f\u7528PAC\u6587\u4ef6\u8fdb\u884cHTTP\u8bf7\u6c42\uff0c\u7528\u6237\u53ef\u4ee5\u5148\u89e3\u6790PAC\u6587\u4ef6\u4ee5\u83b7\u53d6\u4ee3\u7406\u8bbe\u7f6e\uff0c\u7136\u540e\u4f7f\u7528requests<\/code>\u5e93\u53d1\u8d77HTTP\u8bf7\u6c42\u3002\u5728\u8bf7\u6c42\u4e2d\uff0c\u6307\u5b9a\u76f8\u5e94\u7684\u4ee3\u7406\u4fe1\u606f\u3002\u53ef\u4ee5\u901a\u8fc7requests.get()<\/code>\u65b9\u6cd5\u4f20\u5165\u4ee3\u7406\u5b57\u5178\u6765\u5b9e\u73b0\u3002\u786e\u4fdd\u5728\u53d1\u8d77\u8bf7\u6c42\u524d\uff0c\u6b63\u786e\u89e3\u6790PAC\u6587\u4ef6\u5e76\u63d0\u53d6\u6240\u9700\u7684\u4ee3\u7406\u5730\u5740\u548c\u7aef\u53e3\u3002\u8fd9\u6837\uff0cHTTP\u8bf7\u6c42\u5c06\u901a\u8fc7\u6307\u5b9a\u7684\u4ee3\u7406\u8fdb\u884c\u5904\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4f7f\u7528PAC\u6587\u4ef6\u53ef\u4ee5\u901a\u8fc7requests\u5e93\u3001PyPAC\u5e93\u3001urllib\u5e93\u7b49\u65b9\u5f0f\uff0c\u914d\u7f6e\u4ee3\u7406\u3001\u89e3\u6790PAC […]","protected":false},"author":3,"featured_media":965487,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/965483"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=965483"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/965483\/revisions"}],"predecessor-version":[{"id":965488,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/965483\/revisions\/965488"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/965487"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=965483"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=965483"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=965483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}